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Orangeburg Surgical Associates


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Orangeburg Surgical Associates

a Department of the Regional Medical Center

Founded in 1967, Orangeburg Surgical Associates (OSA) has a long tradition of patient-focused care. Board-certified general surgeon, Michael Hill, MD specializes in multiple areas of general surgery.

OSA Surgical Expertise:

  • General Surgery  
  • Trauma
  • Cancer surgeries
  • Endoscopic (Colonoscopy & EGD)
  • Laparoscopic Colon Resections
  • Thoracic
  • Breast
  • Abdominal

The practice’s association with Regional Medical Center and its location on the hospital campus guarantee that OSA has access to the latest and most high-tech equipment. Because our offices are located right here at home in Orangeburg, post-surgery follow-up visits are convenient. 

Surgery is just one step on your road to recovery. To make certain you have a consistent treatment plan and thorough post-operative care, the staff at OSA works closely with your primary care physician, the hospital’s Radiology and Emergency Departments and other hospital staff.

About Our Staff:

Michael A. Hill, MD, FACS

Dr. Hill has been with Orangeburg Surgical Associates for more than 13 years, specializing in general surgery with extensive experience in colorectal, breast, vascular, cancer and endoscopic procedures, including colonoscopy. He received his medical degree from the University of Florida in Gainesville, and completed his residency and internship at Louisiana State Affiliated Hospitals in New Orleans. Dr. Hill is board-certified and is a fellow of the American College of Surgeons. He is a Cancer Liaison from the American College of Surgeons for Orangeburg and Calhoun counties.

Lisa F. Etheridge, APRN

Lisa Etheridge, a board certified nurse practitioner, joined Orangeburg Surgical Associates in November 2017. Etheridge earned a master’s degree in nursing-family nurse practitioner from South University in Savannah, Ga., and a bachelor’s degree in nursing from Chamberlain College of Nursing, Addison, Ill. She received associate degrees in nursing and mechanical engineering technology from Orangeburg-Calhoun Technical College in Orangeburg, S.C.

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